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  1. W

    DPC - going from a suspended floor to a slab of the same height

    Thanks for the reply, do you mean using the DPM of the new slab to run up and meet the existing DPC?
  2. W

    DPC - going from a suspended floor to a slab of the same height

    Hi, I'm building a kitchen extension. Our existing floor is a suspended one meaning the DPC is two rows of bricks below the door thresholds. The extended part of the house is designed to have a concrete slab, the final floor level of which is to match the level of the floors in the house. How...
  3. W

    Garden office floor - 95mm timber - 100mm PIR

    Hi everyone, I've a 7x3m concrete base that I need to frame and insulate but I'm seeing general pir sizes are 60, 80, 100mm but the timber merchant on supplies 95mm. Should I be using 95mm timber and 75mm PIR with a gap underneath instead? I kinda wanted 100mm in there though. Thanks!
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